Two Matched Groups Which of these designs does the best job of controlling extraneous subject variables?
A)experimental group-control group
B)multiple independent groups
C)two experimental groups
D)two matched groups

Question

Quizplus · Accepted Answer

Two matched groups design does the best job of controlling extraneous subject variables by matching participants based on relevant variables and then randomly assigning one of the matched pairs to the experimental group and the other to the control group. This reduces individual differences between groups, making it easier to isolate the effect of the independent variable.

Two Matched Groups Which of These Designs Does the Best